Title:
METHOD FOR PURIFYING CARNITINE
Document Type and Number:
Japanese Patent JP2010143857
Kind Code:
A
Abstract:
To provide a method for purifying carnitine by reducing impurities produced by side reactions, and to provide highly pure carnitine having reduced impurities.
The highly pure carnitine can be produced by adding an alcohol solvent to a carnitine mixture comprising at least one compound chosen from a compound represented by formula (1): R2-CH2-CHR1-CH2-COOH (wherein R1is a hydroxy group or a carbon-carbon double bond formed between the carbon at β position; and R2is a cyano group, a hydroxy group, an amide group; a primary, secondary or tertiary amino group or a carboxy group, provided that R2may be bound to the oxygen in one of the carboxy groups to form a ring), a trimethylammonium compound, an acidic substance, salts and betaines.
COPYRIGHT: (C)2010,JPO&INPIT
Inventors:
TAKIGAWA YUYA
SATO EIJI
MORI HIROYUKI
Application Number:
JP2008322683A
Publication Date:
July 01, 2010
Filing Date:
December 18, 2008
Assignee:
MITSUBISHI RAYON CO
International Classes:
C07C221/00; C07C229/22
Domestic Patent References:
| JP6028068A | | | | |
| JPS61199793A | 1986-09-04 | | | |
| JPS63185947A | 1988-08-01 | | | |
| JPS62249956A | 1987-10-30 | | | |
| JP2009102258A | 2009-05-14 | | | |
